Method Read

cpp/src/arrow/io/file.cc:130–134

  Status Close() { return fd_.Close(); }

  Result<int64_t> Read(int64_t nbytes, void* out) {
    RETURN_NOT_OK(CheckClosed());
    RETURN_NOT_OK(CheckPositioned());
    return ::arrow::internal::FileRead(fd_.fd(), reinterpret_cast<uint8_t*>(out), nbytes);
  }

  Result<int64_t> ReadAt(int64_t position, int64_t nbytes, bool allow_short_read,
                         void* out) {